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POAndroid Widget with ImageView is Invisible Until I Start Moving It
 

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  1. POAndroid Widget with ImageView is Invisible Until I Start Moving It
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    <p>I've got a widget with an <code>ImageView</code>, whose source I'm setting with a URI to an image on the user's device. I set it with <code>RemoteViews.setImageViewUri()</code> in the <code>onUpdate</code> of the widget's provider. The strangest thing is happening: I can't see the widget or the image while the widget is stationary on my home screen, but when I pick it up and start moving it, the image appears!</p> <p>Here are some screen shots illustrating this:</p> <p><img src="https://i.stack.imgur.com/nfFXV.png" alt="enter image description here"> <img src="https://i.stack.imgur.com/ciuuS.png" alt="enter image description here"></p> <p>Here's the layout for the widget:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/picture_widget_parent" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="@dimen/widget_margin" &gt; &lt;ImageView android:id="@+id/the_picture" android:layout_width="match_parent" android:layout_height="match_parent" android:contentDescription="@string/image_content_description" android:scaleType="centerCrop" /&gt; &lt;/RelativeLayout&gt; </code></pre> <p>And here's my AppWidgetProvider:</p> <pre><code>public class WidgetProvider extends AppWidgetProvider { @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { super.onUpdate(context, appWidgetManager, appWidgetIds); updateAllWidgets(context, appWidgetManager, appWidgetIds); } private void updateAllWidgets(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { PuppyFramePersistenceManager persistenceManager = new PuppyFramePersistenceManager(context); for(int i = 0; i &lt; appWidgetIds.length; i++) { int appWidgetId = appWidgetIds[i]; RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.puppyframe_widget); Intent configIntent = new Intent(context, AlbumsActivity.class); Uri.withAppendedPath(Uri.parse("pw" + i + "://widget/id/"), String.valueOf(appWidgetId)); configIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); PendingIntent configPendingIntent = PendingIntent.getActivity(context, 0, configIntent, 0); remoteViews.setOnClickPendingIntent(R.id.picture_widget_parent, configPendingIntent); String currentAlbumId = persistenceManager.getCurrentAlbumIdForAppWidgetId(appWidgetId); if(currentAlbumId != null) { Uri imageUri = Uri.parse(persistenceManager.getAlbumWithId(currentAlbumId).getImagePaths().get(0)); remoteViews.setImageViewUri(R.id.the_picture, imageUri); } appWidgetManager.updateAppWidget(appWidgetId, remoteViews); } } } </code></pre> <p>This is my AndroidManifest.xml:</p> <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.boztalay.puppyframe" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="14" android:targetSdkVersion="17" /&gt; &lt;application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;activity android:name="com.boztalay.puppyframe.configuration.albums.AlbumsActivity" &gt; &lt;intent-filter&gt; &lt;action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name="com.boztalay.puppyframe.configuration.editalbum.EditAlbumActivity" /&gt; &lt;receiver android:name="com.boztalay.puppyframe.widget.PuppyFrameWidgetProvider" &gt; &lt;intent-filter&gt; &lt;action android:name="android.appwidget.action.APPWIDGET_UPDATE" /&gt; &lt;/intent-filter&gt; &lt;meta-data android:name="android.appwidget.provider" android:resource="@xml/puppyframe_info" /&gt; &lt;/receiver&gt; &lt;service android:name="com.boztalay.puppyframe.widget.ScreenOnService"&gt;&lt;/service&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>And lastly, this is my widget provider info:</p> <pre><code>&lt;appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android" android:minWidth="40dp" android:minHeight="40dp" android:minResizeWidth="40dp" android:minResizeHeight="40dp" android:updatePeriodMillis="21600000" android:initialLayout="@layout/puppyframe_widget" android:configure="com.boztalay.puppyframe.configuration.albums.AlbumsActivity" android:resizeMode="horizontal|vertical" android:widgetCategory="home_screen"&gt; &lt;/appwidget-provider&gt; </code></pre> <p>Thanks!</p>
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    1. COShouldn't you use onEnabled() instead of onUpdate() to initialize your widget ? I'm absolutely not sure.
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      1. USpersonne3000
    2. COIf a user creates multiple instances of your widget, onEnabled() only gets called when the first widget is placed. I have my configuration activity updating the widgets so they get at least one onUpdate().
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    3. COHave you tried calling the same `updateAllWidgets` method on `onEnabled` too?
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